Hardly feel you're wearing it. The M-Race Series has been engineered from a new Gore-Tex technology, Infinium. It is aimed at the active racing sailor who doesn't want to compromise performance in warmer climes. The White Label, Gore-Tex Infinium is made for when Performance and Comfort take priority over Waterproofness. Extremely lightweight , highly water resistant, very breathable and totally windproof it is incredibly comfortable to wear.